Iron Flask Narrow Mouth Bottle with Spout Lid, Sky, 32oz/950mlIron Flask Narrow Mouth Bottle with Spout Lid, Sky, 32oz 950ml Iron Flask Narrow Mouth Bottle with Spout Lid, Sky, 32oz 950ml The Iron Flask 32 oz Narrow Mouth Bottle With Spout Lid is the gold standard for water bottles. Its made from the highest quality stainless steel and features double wall vacuum insulation for beverages that stay just the temperature you like (24 hours of icy cold drinks and 12 hours of piping hot drinks). The leak proof spout